Home / 1,207,230.80-1,808,772.60-574,782.80

Finding the Fourth Proportional to 1,207,230.80, 1,808,772.60 and 574,782.80

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Solution

The fourth proportional to 1,207,230.80, 1,808,772.60 and 574,782.80 is: 861,186.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,230.80 : 1,808,772.60 = 574,782.80 : x
  2. Step 2: Convert to fraction form
    1,207,230.80/1,808,772.60 = 574,782.80/x
  3. Step 3: Cross multiply
    1,207,230.80x = 1,808,772.60 × 574,782.80
  4. Step 4: Simplify right side
    1,207,230.80x = 1,039,651,379,591.28
  5. Step 5: Solve for x
    x = 1,039,651,379,591.28/1,207,230.80
  6. Step 6: Final answer
    x = 861,186.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.